LM386 Audio Amplifier
Here is a simple LM386 based audio amplifier circuit with the author’s prototype shown below.
LM386 based audio amplifier: circuit and working
Circuit diagram of the LM386 based audio amplifier is shown in...
Humidity And Temperature Monitoring Using Arduino With The IoT
Using the Internet of Things (IoT) in homes and industries it is possible to control any electrical or electronic equipment. Moreover, you can get the information from any sensor and analyse...
Restaurant Menu Ordering System
Automation systems are increasing in day to day life. Applications like home and industrial automation reduce man power while increasing the efficiency. Here in this restaurant menu ordering system that lets you automate...
IoT-Enabled Air Pollution Meter With Digital Dashboard On Smartphone
Presented here is a IoT enabled air pollution meter to monitor air quality on your smartphone using Blynk application and Arduino board. Blynk is an Internet of Things (IoT) platform to...
PC-based Oscilloscope Using Arduino
Oscilloscopes are an essential tool for electronics hobbyists and professionals to verify that their designs would work as expected. PC based Oscilloscope score over standalone oscilloscopes due to their compact size,...
Solar Tracking System
Generally, solar panels are stationary and do not follow the movement of the sun. Here is a solar tracker system that tracks the sun’s movement across the sky and tries to...
LED Scrolling Display
A light-dependent resistor (LDR) whose resistance is inversely proportional to the intensity of light is often used as a sensor in electronic projects that involve the use of light. This project...
12V Battery Absorb and Float Charger
Most battery chargers stop charging the battery when it attains its maximum charging voltage set by the circuit. This 12V battery charger circuit charges the battery at a particular voltage, that...
Audio Mixer With Multiple Controls
When recording sound from several orchestral instruments being played by different musicians using a single microphone, the only way to adjust the sound balance is to change the position of the...
Arduino Projects: RF Controlled Robot
Here we present a simple Arduino based RF controlled robot that can be driven remotely. This robot can be built very quickly on a small budget. The RF remote control provides...
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